class_docstr: Class for observations and actions in ParlAI.
  
  Functions like a dict, but triggers a RuntimeError when calling __setitem__ for a
  key that already exists in the dict.
code: def force_set(self, key, val):
      super().__setitem__(key, val)
  
file_path: ParlAI/parlai/core/message.py
imports: from __future__ import annotations
  from typing import Any, Dict
label_desc: Use image node_id 2 for calling the Message obj's underlying member method code with example usage: obj.force_set(key, val) without return types